Pallas are a progressive rock band based in the UK. They were one of the bands at the vanguard of what was termed neo-progressive during progressive rock's second-wave revival in the early 1980s! The Sentinel is the debut album by British Progressive rock band Pallas. It is a concept album with lyrics based upon Cold War themes, using a futuristic version of the tale of Atlantis as a metaphor for a technologically advanced society brought to the brink of destruction In its August 2013 issue the British magazine Prog ran an article on the album in its series "The Albums that Saved Prog